comparing hearing result between two prosthesis teflon-piston and softclip
- Conditions
- otosclerosis.Otosclerosis involving oval window, nonobliterative
- Registration Number
- IRCT2014012115496N5
- Lead Sponsor
- Vice chancellor for research Shiraz University of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 120
inclusion criteria:patients who suffered from otosclerosis and underwent stapedotomy with fluoroplastic (teflon) Causse Loop Piston prosthesis or titanium soft clip.
exclusion criteria:: 1) All Patients who underwent stapedectomy; 2) Revision cases; 3) Patients who underwent stapedotomy for reasons other than otosclerosis, such as: congenital stapes fixation, malleus head fixation, trauma, chronic otitis media, and tympanosclerosis plaque; 4) Inadequate follow-up(less than 6 months) after surgery.
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method ABG(air-bone gap). Timepoint: preoperative and 6 month postoperative. Method of measurement: audiometery(gap between air and bone conduction).;SRT(speech reception threshold). Timepoint: preoperative and 6 month postoperative. Method of measurement: audiometery.;SDS(speech discrimination score). Timepoint: preoperative and 6 month postoperative. Method of measurement: audiometery.
- Secondary Outcome Measures
Name Time Method